SN4 ""

No	Pattern	Freq
1	been [prep] [noun] for	534
2	been [prep] [noun] for	534
3	been [prep] [noun sg] for	408
4	been in [noun] for	330
5	been in [noun] for	330
6	been [prep] [noun prp] for	101
7	been on [noun] for	48
8	been on [noun] for	48
9	been [prep] existence for	45
10	been [prep] existence for	45
11	been at [noun] for	39
12	been at [noun] for	39
13	been under [noun] for	35
14	been under [noun] for	35
15	been with [noun] for	33
16	been with [noun] for	33
17	been [prep] [noun pl] for	24
18	been [prep] use for	23
19	been [prep] operation for	23
20	been [prep] operation for	23
21	been [prep] use for	23
22	been to [noun] for	20
23	been to [noun] for	20
24	been [prep] hospital for	17
25	been [prep] work for	17
26	been [prep] hospital for	17
27	been [prep] work for	17
28	been [prep] prison for	15
29	been [prep] prison for	15
30	been [prep] place for	13